HP Surestore Disk Array 12h - And FC60 Service Manual page 264

Table 35
Troubleshooting BBU Problems (cont'd)
Symptom
BBU
New will not hold
a charge
Loss of battery backup
during a power outage
Controller Enclosure Troubleshooting
264
Possible Cause
A Battery charger board
failure
B Faulty battery harness
A Battery failure.
Procedure
BBU
– Replace the .
– Allow the system to operate for at least 7
hours in order to properly charge the
batteries. If this does not solve the
problem, go to cause B.
– Replace both power supplies.
– Replace the battery harness.
– Replace the BBU.